How to connect Dell U2518D to Macbook pro 13

Hi,

I just bought the Dell monitor U2518D and it comes with two cables: USB 3.0 A-Male to B-Male adapter cable and Mini DisplayPort to DisplayPort adapter cable. After some research online, I figured that I should use the Mini DisplayPort to DisplayPort adapter cable to connect the monitor to my Macbook Pro, with the DisplayPort plugged to the monitor and the Mini DisplayPort plugged to my Macbook Pro 2020.

However, I'm not sure how to have the Mini DisplayPort plugged to my Macbook Pro 2020. I can't find any Mini DisplayPort to Thunderbolt 3 adapter cable on Apple Store, nor do I know if it will work if I buy one from Amazon.

Can anyone help me how to connect this monitor to my Macbook Pro 2020?

I appreciate all the helps.